Sisu: Release your inner strength

It’s all about balance

At Sisu, we are committed to helping Canadians find their perfect balance. Our line of natural health products is driven by innovative, clinically-validated ingredients and industry-leading environmental awareness.

At Sisu, we acknowledge the effort that Canadians put forth every day to stay on top of the seemingly endless stream of deadlines, tasks, and unexpected challenges. As such, we expect no less of ourselves, constantly striving to offer the highest quality, most effective products on the market. Our numerous awards for innovation and consumer satisfaction only reinforce this belief, encouraging us to continue helping others enjoy lives that are healthy, happy and productive: in perfect balance.  Learn more about our brand and guiding principles here. 

Check out our videos and articles below for our tips on how to live a full, balanced, and healthy life.

You can also read our digital magazine here.





Extraordinary determination, courage and resoluteness in the face of extreme adversity. An action mindset which enables individuals to reach beyond their present limitations, take action against all odds, and transform barriers into frontiers.

While there is no direct English translation, the Finnish word “sisu” truly encapsulates what we stand for, the products we stand behind, and the people we serve:

Release your Inner Strength,
with Sisu.


Your daily dose of get up and go – Sisu Ester-C® Energy Boost! Each thirst-quenching serving provides 1000 mg of immune-boosting Ester-C®, plus energizing B vitamins, minerals and electrolytes, to keep busy, active people feeling their best and performing at their peak. Mix the convenient “to-go” packets in water for a naturally-sweetened, low-calorie drink mix that you can take to work, the gym or use at home. Energize your taste buds with Pina Colada, Orange, Wildberry, or Lemon-Lime.

More great products from Sisu

Only Ester-C vitamin C provides 24-hour immune support and potent antioxidant protection. It is non-acidic, gentle on the stomach and absorbs faster into your immune system.

U Cubes Kid's Multivitamin Gummies

Great-tasting, all-natural, pectin-based gummy multivitamin and mineral to support growing bodies and minds.

Combat the effects of physical or mental stress with Sisu B Calm with Rhodiola. A complete B vitamin complex to support metabolism, brain function and the nervous system, with additional protection against stress.

Find your calm with Sisu Magnesium Relaxation Blend, a great-tasting powder containing magnesium bisglycinate/citrate, with GABA and L-Theanine, to promote relaxation and help improve sleep.

Read our magazine

Great gut health, stress-busting strategies, family wellness and more!